Exam will be held soon, before joining must read these 25 important questions of general science

RRB Group D General Science (GS) Practice Set 06 : Indian Railway Recruitment Board (RRB) has started the recruitment process for Group D posts. There is a provision to complete this examination in several phases, and the first phase examination will be conducted from 17 August 2022 to 25 August 2022. It is worth mentioning that now the candidate will have to give only one examination and on the basis of that the candidates will be selected and the vacant posts will be filled.

In such a situation, 25 important questions and answers of General Science related to Group D exam have been included in front of you through this article. Practice these questions before going to the exam and strengthen your preparation.

RRB Group D General Science (GS) Practice Set 06

Question. The bond formed by cation and anion in crystal is-

• ionic
• metallic
• covalent
• dipole

Answer 1

Question. An atom with atomic number 20 readily combines with another atom whose atomic number is

Answer: 3

Question. In electronegative compound will not be-

• high melting point and low boiling point
• high dielectric constant
• high melting point and high boiling point
• high polarity

Answer 1

Question. The level of ozone in the stratosphere is naturally regulated by—

• by nitrous oxide
• by nitrogen dioxide
• by cfc
• by water vapor

Answer: 2

Question. Which of the following ions is isoelectronic with CO?

Answer: 2

Question. Whose autobiography is “The Fall of Sparrow”?

• Salim Ali
• pandurang hegde
• Sundar Lal Bahuguna
• Rajendra Singh

Answer 1

Question. India has developed the first vaccine for blue tongue disease. Which of the following is mainly found in?

• chicken
• dogs
• monkey
• sheep and goats

Answer: 4

Question. What does an emulsion consist of?

• a liquid and a gas
• a liquid and a solid
• two liquids
• two solids

Answer: 3

Question. A healthy man sees with a restless eye.

• 25 cm away
• 1 m away
• at infinity
• 10 m away

Answer: 3

Question. The pH value of drinking water should be

• 1.0
• 3 to 5
• 7 to 8.5
• 10 to 12

Answer: 3

Question. What energy is stored in the tides of the ocean?

• liquid energy
• kinetic energy
• gravitational energy
• All of the above

Answer: 3

Question. Which of the following pairs is not correctly matched?

• sulfur dioxide acid rain
• pyrene fire extinguisher
• freon refrigerant
• Fullerene – Fluorine containing polymer

Answer: 4

Question. Which of the following is not a chemical fertilizer?

• sodium sulfate
• urea
• super phosphate
• potassium nitrate

Answer 1

Question. Bronze is a mixed metal

• copper and silver
• copper and tin
• copper and lead
• of copper and zinc

Answer: 2

Question. The reason for the origin of the organisms responsible for black-jar is-

• transverse gamete fission
• downward gamete fission
• multiplier fragmentation
• linear gamete fission

Answer: 2

Question. The maximum amount of nitrate in water which is injurious to health

• 45mg/l
• 40mg/l
• 0.45mg/l
• 0.045mg/l

Answer 1

Question. Which of the following compounds have the same equivalent mass and molecular weight?

Answer: 4

Question. What is the shape of the sulfa hexafluoride molecule?

• octahedral
• triangular pyramid
• planar
• tetrahedral

Answer: 4

Question. Genes of extracellular nucleus are found in

• in chloroplasts and mitochondria
• in ribosomes and mitochondria
• Lysosomes and Chloroplasts
• Golgi complex and ribosomes

Answer 1

Question. In which block are metals, non-metals and metalloids found in the modern periodic table?

• s-block
• p-block
• d-block
• f-block

Answer: 2

Question. Which method of water purification does not destroy micro-organisms?

• filtration
• boiling
• chlorination
• UV-irradiation

Answer 1

Question. Viscose rayon thread is made of-

• from celluloid
• from cellulose xanthate
• from nitrated cellulose
• from caramel

Answer: 3

Question. The hamburger phenomenon is called-

• bicarbonate displacement
• hydrogen displacement
• chloride displacement
• sodium displacement

Answer: 3

Question. An object starts moving from its stationary state. It attains a speed of 5m/s in 2 seconds. What will be its acceleration?

• 1 m/s²
• 2m/s
• 2.5m/s
• 0.4m/s²

Answer: 3

Question. What is it called when two liquids do not dissolve in each other and form a solution?

• solvent
• immiscible
• decantation
• solute

Answer: ??

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